<template>
  <div class="header">
    <van-icon name="arrow-left" class="icon" @click="toBack"> </van-icon>
    <div>{{ title }}</div>
    <div class="edit" v-if="edit" @click="handleEdit">
    {{ store.state.edit ? "编辑" :"完成" }}</div>
  </div>
</template>
<script>
import { Toast } from 'vant';
import {  useRouter } from 'vue-router';
import { useStore } from 'vuex';
export default {
  props: ["title","edit"],
  setup(){
    const router=useRouter();
    const store =useStore()
    const toBack=()=>{
      router.back();
    };
    const handleEdit=()=>{
          if(store.state.cartList.length){
            store.commit("edit")
            store.commit('changeDelete')
          }else{
            Toast.fail('请添加商品到购物车!')
          }
    }
    return{
      toBack,
      handleEdit,
      store
    }
  }
};
</script>

<style lang="less" scoped>
.header {
  background-color: #fff;
  height: 40px;
  font-size: 20px;
  display: flex;
  justify-content: center;
  align-items: center;
  border-bottom: 1px solid #d7d7d7;
  .edit {
    font-size: 16px;
    position: absolute;
    right: 15px;
    font-weight: normal;
  }
  .icon {
    position: absolute;
    left: 10px;
  }
}
</style>